CA2561990A1 - Electric water heater with hot water outlet dip tube - Google Patents
Electric water heater with hot water outlet dip tube Download PDFInfo
- Publication number
- CA2561990A1 CA2561990A1 CA002561990A CA2561990A CA2561990A1 CA 2561990 A1 CA2561990 A1 CA 2561990A1 CA 002561990 A CA002561990 A CA 002561990A CA 2561990 A CA2561990 A CA 2561990A CA 2561990 A1 CA2561990 A1 CA 2561990A1
- Authority
- CA
- Canada
- Prior art keywords
- water
- tank
- hot water
- electric
- water heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/133—Storage heaters
Abstract
An electric water heater including a water container; an element associated with the water container to heat water in the water container; a cold water inlet associate d with the water container; a hot water outlet associated with the water container; and a dip tube connected to the hot water outlet, the dip tube having at least one opening proximate the hot water outlet and at least one opening positioned proximate to or below the element.
Claims (23)
1. An electric water heater comprising:
a water container;
an element associated with the water container to heat water in the water container;
a cold water inlet associated with the water container;
a hot water outlet associated with the water container; and a dip tube connected to the hot water outlet, the dip tube having at least one opening proximate the hot water outlet and at least one opening positioned proximate to or below the element.
a water container;
an element associated with the water container to heat water in the water container;
a cold water inlet associated with the water container;
a hot water outlet associated with the water container; and a dip tube connected to the hot water outlet, the dip tube having at least one opening proximate the hot water outlet and at least one opening positioned proximate to or below the element.
2. The electric water heater of claim 1, further comprising a second element associated with the water container and positioned below the element.
3. The electric water heater of claim 2, wherein the at least one opening positioned proximate to or below the element is positioned above the second element.
4. The electric water heater of claim 1, wherein the at least one opening is positioned from about 1 inch from the hot water outlet to about 5 inches from the hot water outlet.
5. The electric water heater of claim 1, comprising sets of three openings on opposed sides of the dip tube rotated about 90° apart.
6. The electric water heater of claim 1, comprising sets of twenty openings on opposed sides of the dip tube rotated about 90° apart and positioned below the element.
7. The electric water heater of claim 1, wherein the dip tube is about 0.5 to about 1 inch in diameter.
8. The electric water heater of claim 1, wherein the at least one opening proximate to or below the element is at least about 1 inch below the element.
9. The electric water heater of claim 1, wherein the at least one opening is positioned between about 1 inch from a top of the container to a position in an upper half of the water container between the top and the element.
10. The electric water heater of claim 1, further comprising a thermostat associated with the water container and a controller connected to the element and the thermostat.
11. The electric water heater of claim 1, having a first hour hot water supply about 40% to about 60% greater than the capacity of the water container.
12. An electric water heater comprising:
a water tank;
an upper element associated with the tank to heat water in the tank;
a lower element associated with the tank to heat water in the tank;
a cold water inlet positioned in a top portion of the tank;
a hot water outlet positioned in the top portion of the tank; and a dip tube connected to the hot water outlet and having a plurality of upper openings positioned between the top portion and the upper element, and a plurality of lower openings positioned proximate to or below the upper element.
a water tank;
an upper element associated with the tank to heat water in the tank;
a lower element associated with the tank to heat water in the tank;
a cold water inlet positioned in a top portion of the tank;
a hot water outlet positioned in the top portion of the tank; and a dip tube connected to the hot water outlet and having a plurality of upper openings positioned between the top portion and the upper element, and a plurality of lower openings positioned proximate to or below the upper element.
13. The electric water heater of claim 12, wherein the lower openings are positioned above the lower element.
14. The electric water heater of claim 12, wherein the upper openings comprise sets of three openings on opposed sides of the dip tube rotated about 90°
apart.
apart.
15. The electric water heater of claim 12, wherein the lower openings comprise sets of twenty openings on opposed sides of the dip tube rotated about 90°
apart and positioned below the element.
apart and positioned below the element.
16. The electric water heater of claim 12, wherein the upper openings are positioned from about 1 inch from the hot water outlet to about 5 inches from the hot water outlet.
17. The electric water heater of claim 12, wherein the lower openings are positioned below the element at least about 1 inch below the element.
18. The electric water heater of claim 12, further comprising a thermostat associated with the water container and a controller connected to the upper and lower elements and the thermostat.
19. The electric water heater of claim 12, having a first hour hot water supply about 40% to about 60% greater than the capacity of the water container.
20. A method of increasing first hour hot water supply from an electric water heater comprising a water tank, a heating element, a cold water inlet and a hot water outlet, comprising:
reducing the temperature of hot water passing through the hot water outlet by causing relatively colder water in the tank to mix with relatively hotter water in the tank by connecting a dip tube having at least one opening proximate the hot water outlet and at least one opening positioned proximate to or below the element such that the relatively hotter water enters through the at least one opening proximate the hot water outlet and the relatively colder water enters to the hot water outlet through the at least one opening proximate to or below the element.
reducing the temperature of hot water passing through the hot water outlet by causing relatively colder water in the tank to mix with relatively hotter water in the tank by connecting a dip tube having at least one opening proximate the hot water outlet and at least one opening positioned proximate to or below the element such that the relatively hotter water enters through the at least one opening proximate the hot water outlet and the relatively colder water enters to the hot water outlet through the at least one opening proximate to or below the element.
21. The method of claim 20, wherein the first hour water supply is about 40%
to about 60% greater than the capacity of the tank.
to about 60% greater than the capacity of the tank.
22. A method of increasing first hour water supply from an electric water heater comprising a water tank, an element, a cold water inlet and a hot water outlet, comprising:
mixing relatively colder water in the tank with relatively hotter water in the tank with a dip tube having at least one opening adjacent a top portion of the tank and at least one opening positioned proximate to or below the element and connected to the hot water outlet.
mixing relatively colder water in the tank with relatively hotter water in the tank with a dip tube having at least one opening adjacent a top portion of the tank and at least one opening positioned proximate to or below the element and connected to the hot water outlet.
23. The method of claim 22, wherein the first hour water supply is about 40%
to about 60% greater than the capacity of the tank.
to about 60% greater than the capacity of the tank.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/243,542 | 2005-10-05 | ||
| US11/243,542 US7203418B1 (en) | 2005-10-05 | 2005-10-05 | Electric water heater with hot water outlet dip tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2561990A1 true CA2561990A1 (en) | 2007-04-05 |
| CA2561990C CA2561990C (en) | 2009-11-24 |
Family
ID=37902050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002561990A Expired - Fee Related CA2561990C (en) | 2005-10-05 | 2006-10-03 | Electric water heater with hot water outlet dip tube |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7203418B1 (en) |
| CN (1) | CN1945154B (en) |
| CA (1) | CA2561990C (en) |
| MX (1) | MXPA06011504A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7634976B2 (en) * | 2006-03-30 | 2009-12-22 | Bradford White Corporation | Apparatus and method for delivering water into a water heater |
| US20070227468A1 (en) * | 2006-03-30 | 2007-10-04 | Bradford White Corporation | Apparatus and method for introducing and drawing water in a water heater |
| CN101373083B (en) * | 2007-08-21 | 2011-06-08 | 中山市爱美泰电器有限公司 | Time-sharing layered cyclic heating water tank |
| US10288316B1 (en) * | 2013-07-29 | 2019-05-14 | Mercury Plastics Llc | Dip tube |
| US10215445B1 (en) | 2015-12-22 | 2019-02-26 | Bernard J Mottershead | Thermosiphon system for hot water heater |
| NO346322B1 (en) * | 2019-11-04 | 2022-06-07 | Oso Tech As | A water heater |
| US11768012B2 (en) * | 2020-10-30 | 2023-09-26 | Ut-Battelle, Llc | Hydraulically opened cone vertical tube diffuser with slanted anti-siphon hole |
| US20220186981A1 (en) * | 2020-12-11 | 2022-06-16 | Rheem Manufacturing Company | Water heating system |
| US20230099397A1 (en) * | 2021-09-29 | 2023-03-30 | Rheem Manufacturing Company | Heat trap apparatus for water heater |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2784291A (en) * | 1955-02-11 | 1957-03-05 | William M Harney | Water heating device |
| US3715566A (en) * | 1972-01-24 | 1973-02-06 | Smith Corp A | Corrosion guard system for electric water heater |
| US3776456A (en) * | 1972-04-21 | 1973-12-04 | Smith Corp A | Direct fired water heater thermal compensating dip tube |
| US4419567A (en) * | 1981-03-02 | 1983-12-06 | Apcom, Inc. | Heating element for electric water heater |
| US4898150A (en) * | 1989-03-10 | 1990-02-06 | Gsw Inc. | Pressure balancing water heater dip tube turbulator attachment |
| US5054437A (en) * | 1990-07-20 | 1991-10-08 | Kale Hemant D | Storage tank for water heaters and the like with collector outlet dip tube |
| CA2030976C (en) * | 1990-11-28 | 1994-09-20 | Andre Laperriere | Domestic water heater designed to reduce the risks of bacterial contamination |
| GB9122220D0 (en) * | 1991-10-19 | 1991-12-04 | Elia Paul | Hot water storage system |
| US5341770B1 (en) * | 1993-03-26 | 1998-09-22 | White Bradford Corp | Integral line inhibitor |
| US5596952A (en) * | 1995-07-24 | 1997-01-28 | Bradford White Corporation | Indirect water heater |
| US6370328B1 (en) * | 1997-10-08 | 2002-04-09 | Bernard J. Mottershead | Water heating tank with thermosiphonic circulation for improved heat recovery rate |
| US6053130A (en) * | 1998-06-04 | 2000-04-25 | American Water Heater Company | Power vent water heater with electronic control system |
| US6138614A (en) * | 1999-02-01 | 2000-10-31 | Aos Holding Company | Inlet tube for a water heater |
| US6282372B1 (en) * | 2000-04-11 | 2001-08-28 | Rheem Manufacturing Company | Multi-position point of use electric water heater |
-
2005
- 2005-10-05 US US11/243,542 patent/US7203418B1/en not_active Expired - Fee Related
-
2006
- 2006-10-03 CA CA002561990A patent/CA2561990C/en not_active Expired - Fee Related
- 2006-10-04 MX MXPA06011504A patent/MXPA06011504A/en active IP Right Grant
- 2006-10-08 CN CN2006101400115A patent/CN1945154B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US7203418B1 (en) | 2007-04-10 |
| CA2561990C (en) | 2009-11-24 |
| CN1945154B (en) | 2010-11-03 |
| MXPA06011504A (en) | 2007-04-09 |
| CN1945154A (en) | 2007-04-11 |
| US20070077043A1 (en) | 2007-04-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20201005 |